摘要
Enterprises play an increasingly important role in bolstering China’s seed industry Xichang has been known as"the land of onion"since the 1990s when largescale production of the vegetable began in the southwestern city in Sichuan Province.Nevertheless,the onions were grown from seeds imported from the U.S.,Japan and some European countries,which cost 400 yuan($48 at the then exchange rate)per kg on average.
